Home / 15,132.29-22,719.49-7,741.85

Finding the Fourth Proportional to 15,132.29, 22,719.49 and 7,741.85

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Solution

The fourth proportional to 15,132.29, 22,719.49 and 7,741.85 is: 11,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.29 : 22,719.49 = 7,741.85 : x
  2. Step 2: Convert to fraction form
    15,132.29/22,719.49 = 7,741.85/x
  3. Step 3: Cross multiply
    15,132.29x = 22,719.49 × 7,741.85
  4. Step 4: Simplify right side
    15,132.29x = 175,890,750.70
  5. Step 5: Solve for x
    x = 175,890,750.70/15,132.29
  6. Step 6: Final answer
    x = 11,623.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.